swift - IOS KeyChainWrapper value is nil after stored -


im beginner in swift 3.0. convert existing swift project 3.0 swift. after converrted, have issues storing user& password using key chain wrapper.

i have checked result of bool, show false , value nil.

can know possible causes? guiding. 

//this how store var savesuccessful:bool = keychainwrapper.defaultkeychainwrapper().setstring(txt_userid.text!, forkey: "userid")     let savepass:bool = keychainwrapper.setstring(txt_password.text!, forkey: "password")   //this how get/retrieve  var password:string? = keychainwrapper.stringforkey("password")

take @ answer here. problem "keychain sharing" capability has enabled.


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